def test_chess(test_env):
slide = test_env.slide
board = slide.box(width=500, height=500)
board.new_style("black", color="black", size=50)
colors = ["#e0e0ff", "#A0A0ff"]
tiles = {}
for i in range(8):
row = board.box(height="fill", width="100%", horizontal=True)
for j in range(8):
b = row.box(width="fill", height="100%")
b.rect(bg_color=colors[(i + j) % 2])
tiles[(j, i)] = b.overlay(z_level=1)
board.rect(color="black")
points = [
tiles[(3, 4)].mid_point(), tiles[(3, 2)].mid_point(),
tiles[(4, 2)].mid_point()
]
arrow = Arrow(30)
slide.box(show="1-3").line(points,
color="green",
stroke_width=15,
end_arrow=arrow)
tiles[(3, 4)].box(show="1").text("♞", "black")
tiles[(3, 3)].box(show="2").text("♞", "black")
tiles[(3, 2)].box(show="3").text("♞", "black")
tiles[(4, 2)].box(show="4").text("♞", "black")
test_env.check("chess", 4)
def intro_slide(slides: Slides):
slide = slides.new_slide()
slide.set_style("text", s(size=60, bold=True))
slide.set_style("orange",
slide.get_style("text").compose(s(color="orange")))
safe = slide.box()
safe.text("Fast & ~orange{Safe}", style="text")
slide.box(height=100)
line = slide.box(width="fill", horizontal=True)
development = line.box(width="50%", y=0)
development.overlay(show="2-3").text("Memory safety")
development.overlay(show="4").text("Memory safety",
style=s(color="orange"))
performance = line.box(width="50%", y=0, show="3+")
performance.text("Fearless concurrency")
arrow = Arrow(20)
slide.box(show="2+").line(
[safe.p("80%", "100%"), development.p("50%", 0)],
stroke_width=5,
color="orange",
end_arrow=arrow)
slide.box(show="3+").line(
[safe.p("80%", "100%"), performance.p("50%", 0)],
stroke_width=5,
color="orange",
end_arrow=arrow)
def intro_slide(slides: Slides):
slide = slides.new_slide()
slide.set_style("text", s(size=60, bold=True))
slide.set_style("orange", slide.get_style("text"), s(color="orange"))
fast = slide.box()
fast.text("~orange{Fast} & Safe", style="text")
slide.box(height=100)
line = slide.box(width="fill", horizontal=True)
development = line.box(width="50%", y=0)
development.overlay().text("Quick development")
performance = line.box(width="50%", y=0)
performance.text("High performance", style=s(color="orange"))
arrow = Arrow(20)
slide.box().line(
[fast.p("15%", "100%"), development.p("50%", 0)],
stroke_width=5,
color="orange",
end_arrow=arrow)
slide.box().line(
[fast.p("15%", "100%"), performance.p("50%", 0)],
stroke_width=5,
color="orange",
end_arrow=arrow)
def line(start,
end,
start_x,
end_x,
right_x,
offset_x,
color,
show,
y="65%"):
line_start = code_box.line_box(start, width="fill")
line_end = code_box.line_box(end, width="fill")
arrow = Arrow(20)
start = line_start.p(start_x, y)
end = line_end.p(end_x, y)
content.box(show=show).line([
start,
line_start.p(right_x, y).add(offset_x, 0),
line_end.p(right_x, y).add(offset_x, 0), end
],
start_arrow=arrow,
end_arrow=arrow,
stroke_width=5,
color=color)
def pointer_to_line(content,
code_box,
line,
x,
y,
show,
textbox_pos=("0", "0"),
code_pos=("0", "0")):
arrow = Arrow(20)
line = code_box.line_box(line, show=show)
text_box = content.box(x=x, y=y, show=show)
content.box(show=show).line([
text_box.p(textbox_pos[0], textbox_pos[1]),
line.p(code_pos[0], code_pos[1])
],
end_arrow=arrow,
stroke_width=5,
color="orange")
return text_box
def llvm_iterator(slides: Slides):
slide = slides.new_slide()
content = slide_header(slide, "Compiles to LLVM")
content.box(height=600, x=350).image("imgs/llvm-flow.svg")
slide = slides.new_slide()
content = slide_header(slide, "Compiles to LLVM")
src = content.box(width=700, height=100)
src.image("imgs/godbolt-dot-product.svg")
content.box(height=60)
assembly = content.box(width="fill", height=400, show="2+")
assembly.image("imgs/godbolt-dot-product-assembly.svg")
arrow = Arrow(20)
content.box(show="2+").line(
[src.p("50%", "100%"),
assembly.p("50%", "0%").add(0, -10)],
stroke_width=5,
color="orange",
end_arrow=arrow)
def test_line_highlight_no_fragments(test_env):
slide = test_env.slide
slide.box(100, 100, 200, 200).rect(color="green")
slide.box(120, 120, 160, 160).rect(bg_color="green")
slide.box(320, 100, 200, 200).rect(color="blue", rx=20, ry=20)
slide.box(340, 120, 160, 160).rect(bg_color="blue", rx=20, ry=20)
slide.polygon([(540, 300), (740, 300), (640, 100)], color="red")
slide.polygon([(570, 280), (710, 280), (640, 140)], bg_color="red")
slide.line([(760, 100), (940, 100), (760, 300), (960, 300)],
color="orange",
stroke_width=5)
slide.line([(100, 500), (200, 500)], color="black", stroke_width=1)
slide.line([(100, 550), (200, 550)], color="black", stroke_width=5)
slide.line([(100, 600), (200, 600)], color="black", stroke_width=10)
arrow1 = Arrow(10, stroke_width=1)
slide.line([(300, 500), (400, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1)
arrow2 = Arrow(20, stroke_width=5)
slide.line([(300, 550), (400, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2)
arrow3 = Arrow(30, stroke_width=10)
slide.line([(300, 600), (400, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3)
arrow1 = Arrow(10)
slide.line([(500, 500), (600, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1)
arrow2 = Arrow(20)
slide.line([(500, 550), (600, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2)
arrow3 = Arrow(30)
slide.line([(500, 600), (600, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3)
arrow1 = Arrow(10, inner=0.5)
slide.line([(700, 500), (800, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1)
arrow2 = Arrow(20, inner=0.5)
slide.line([(700, 550), (800, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2)
arrow3 = Arrow(30, inner=0.5)
slide.line([(700, 600), (800, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3)
arrow1 = Arrow(10, inner=2.0)
slide.line([(900, 500), (1000, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1)
arrow2 = Arrow(20, inner=2.0)
slide.line([(900, 550), (1000, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2)
arrow3 = Arrow(30, inner=2.0)
slide.line([(900, 600), (1000, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3)
test_env.check("shapes")
def test_shapes(test_env):
slide = test_env.slide
slide.box(x=650, y=350, width=50, height=50).ellipse(bg_color="green")
slide.box(x=720, y=350, width=150, height=50).ellipse(
bg_color="purple", color="yellow", stroke_width=10
)
slide.box(x=900, y=350, width=50, height=100).ellipse(bg_color="blue")
slide.box(x=100, y=100, width=200, height=200).rect(color="green")
slide.box(x=120, y=120, width=160, height=160).rect(bg_color="green")
slide.box(x=320, y=100, width=200, height=200).rect(color="blue", rx=20, ry=20)
slide.box(x=340, y=120, width=160, height=160).rect(bg_color="blue", rx=20, ry=20)
slide.polygon([(540, 300), (740, 300), (640, 100)], color="red")
slide.polygon([(570, 280), (710, 280), (640, 140)], bg_color="red")
slide.line(
[(760, 100), (940, 100), (760, 300), (960, 300)], color="orange", stroke_width=5
)
slide.line([(100, 500), (200, 500)], color="black", stroke_width=1)
slide.line([(100, 550), (200, 550)], color="black", stroke_width=5)
slide.line([(100, 600), (200, 600)], color="black", stroke_width=10)
arrow1 = Arrow(10, stroke_width=1)
slide.line(
[(300, 500), (400, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1,
)
arrow2 = Arrow(20, stroke_width=5)
slide.line(
[(300, 550), (400, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2,
)
arrow3 = Arrow(30, stroke_width=10)
slide.line(
[(300, 600), (400, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3,
)
arrow1 = Arrow(10)
slide.line(
[(500, 500), (600, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1,
)
arrow2 = Arrow(20)
slide.line(
[(500, 550), (600, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2,
)
arrow3 = Arrow(30)
slide.line(
[(500, 600), (600, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3,
)
arrow1 = Arrow(10, inner=0.5)
slide.line(
[(700, 500), (800, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1,
)
arrow2 = Arrow(20, inner=0.5)
slide.line(
[(700, 550), (800, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2,
)
arrow3 = Arrow(30, inner=0.5)
slide.line(
[(700, 600), (800, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3,
)
arrow1 = Arrow(10, inner=2.0)
slide.line(
[(900, 500), (1000, 500)],
color="black",
stroke_width=1,
start_arrow=arrow1,
end_arrow=arrow1,
)
arrow2 = Arrow(20, inner=2.0)
slide.line(
[(900, 550), (1000, 550)],
color="black",
stroke_width=5,
start_arrow=arrow2,
end_arrow=arrow2,
)
arrow3 = Arrow(30, inner=2.0)
slide.line(
[(900, 600), (1000, 600)],
color="black",
stroke_width=10,
start_arrow=arrow3,
end_arrow=arrow3,
)
# Dashes
# dash(10) space(10) ...
slide.line([(100, 350), (500, 350)], stroke_width=10, stroke_dasharray="10")
# dash(10) space(20) ...
slide.line([(100, 380), (500, 380)], stroke_width=10, stroke_dasharray="10 20")
# dash(20) space(10) dash(2) space(10) ...
slide.line([(100, 410), (500, 410)], stroke_width=10, stroke_dasharray="20 10 2 10")
# dashed rectangle
slide.box(x=550, y=350, width=50, height=50).rect(
stroke_width=5, stroke_dasharray="2", color="black", rx=5, ry=5
)
def test_path(test_env):
COLOR1 = "blue"
slide = test_env.slide
box = slide.box(height="80%", width="80%").rect(color="black")
arrow1 = Arrow(10)
box.path(
[("M", box.p(0, 0)), ("L", (300, 400)), ("Q", (400, 400), (300, 500))],
end_arrow=arrow1,
)
box.path(
[
("M", box.p(0, 0)),
("C", box.p(0, -40), box.p("100%", -40), box.p("100%", 0)),
],
color="red",
stroke_width=4,
bg_color="blue",
)
root = (
slide.box(x=250, y="[50%]", width=100, height=50)
.rect(color=COLOR1, bg_color="#EEE", rx=5, ry=5)
.text("Root")
)
child1 = (
slide.box(x=650, y="[20%]", width=100, height=50)
.rect(color=COLOR1, bg_color="#EEE", rx=5, ry=5)
.text("Child1")
)
child2 = (
slide.box(x=650, y="[80%]", width=100, height=50)
.rect(color=COLOR1, bg_color="#EEE", rx=5, ry=5)
.text("Child2")
)
arrow = Arrow(10)
# Path root -> child1
r1 = root.p("100%", "50%")
c1 = child1.p("0%", "50%")
# See SVG <path> documentation for commands explanation
# In short: M = move to, L = line to, C/S = bezier curve, Q/T = quadratic
slide.path(
[("M", r1), ("C", r1.add(300, 0), c1.add(-300, 0), c1)],
end_arrow=arrow,
stroke_width=2,
color=COLOR1,
)
# Path root -> child2
c2 = child2.p("0%", "50%")
slide.path(
[("M", r1), ("Q", c2.add(-100, 0), c2)],
end_arrow=arrow,
stroke_width=2,
color=COLOR1,
stroke_dasharray="10",
)
# Path chiled1 -> child1
c1t = child1.p("50%", "0%")
c1r = child1.p("100%", "50%")
slide.path(
[("M", c1t), ("C", c1t.add(0, -100), c1r.add(100, 0), c1r)],
end_arrow=arrow,
stroke_width=2,
color=COLOR1,
)
slide.path([("M", (650, 350)), ("L", (750, 350))], stroke_width=4, color="green")
slide.path(
[("M", (600, 450)), ("L", (700, 250)), ("L", (800, 450))],
stroke_width=4,
color="red",
)
slide.path(
[("M", (600, 450)), ("Q", (700, 250), (800, 450))], bg_color="blue", color=None
)
label = slide.box(100, 400, 200, 130, show="5")
label.update_style("default", color="white")
label.rect(bg_color="green", rx=10, ry=10)
label.text("Comment for\na line")
# Here we creates the triangle heading to a line,
# method 'p' returns a position relatively to the box
label.polygon([
label.p("99%", "40%"),
label.p("99%", "60%"),
code_box.line_box(4).p(0, "50%")
],
bg_color="green")
# Now we are creating an arrow head for the orange line
arrow = Arrow(10)
p1 = code_box.line_box(0).p("100%", "50%")
p2 = code_box.line_box(5).p("100%", "50%")
slide.box(show="6").line(
[p1, p1.add(40, 0), p2.add(40, 0), p2],
stroke_width=3,
color="orange",
end_arrow=arrow)
# Console demo ############################################
slide = slides.new_slide()
slide.derive_style("code", "shell", color="white")
slide.new_style("prompt", color="#aaaaff")
slide.new_style("cmd", color="yellow")
def cache_conflicts(slides: SlideDeck, backup: bool):
if backup:
slide = new_slide(slides)
content = slide_header(slide, "Code (backup)")
code(
content.box(),
"""// Addresses of N integers, each `offset` bytes apart
std::vector<int*> data = ...;
for (auto ptr: data)
{
*ptr += 1;
}
// Offsets: 4, 64, 4000, 4096, 4128""")
slide = new_slide(slides)
content = slide_header(slide, "Result (backup)")
content.box(height=600).image("images/example1-time.png")
slide = new_slide(slides)
content = slide_header(slide, "Cache memory")
content.box(height=600).image("images/haswell-diagram.png")
content.box(width=230, height=40, x=816, y=530).rect(color=COLOR_BACKEND,
stroke_width=3)
slide = new_slide(slides)
content = slide_header(slide, "How are (L1) caches implemented")
list_wrapper = content.box()
list_item(list_wrapper).text("N-way set associative table")
list_item(list_wrapper, level=1, show="last+").text("Hardware hash table")
list_item(list_wrapper, show="next+").text("Key = address (8B)")
list_item(list_wrapper, show="next+").text("Entry = cache line (64B)")
slide = new_slide(slides)
content = slide_header(slide, "N-way set associative cache")
hash_size = 8
hash_dimension = 60
def table(wrapper: Box,
size,
dimension,
buckets=None,
bucket_indices=True):
htable = wrapper.box(horizontal=True)
items = []
for i in range(size):
cell = htable.box(width=dimension,
height=dimension,
horizontal=True).rect("black", stroke_width=2)
items.append(cell)
if buckets:
bucket_width = int((size / buckets) * dimension)
for i in range(buckets):
pos = i * bucket_width
htable.box(x=pos, y=0, width=bucket_width,
height=dimension).rect("black", stroke_width=6)
if bucket_indices:
htable.box(x=pos, y=dimension - 5,
width=bucket_width).text(str(i))
return (htable, items)
content.box().text("Size = {} cache lines".format(hash_size),
style="notice")
(htable, hitems) = table(content.box(p_top=20), hash_size, hash_dimension)
arrow_wrapper = content.box()
arrow = Arrow(20)
arrow_wrapper.box().line([
hitems[0].p("50%", 0).add(0, -20),
hitems[-1].p("50%", 0).add(0, -20),
],
start_arrow=arrow,
end_arrow=arrow,
stroke_width=5,
color=COLOR_NOTE)
content.box(
p_top=20,
show="next+").text("Associativity (N) - # of cache lines per bucket")
content.box(p_top=10, show="next+").text("# of buckets = Size / N")
row = content.box(horizontal=True, p_top=20)
lcol = row.box(y=0)
rcol = row.box(y=0, p_left=20)
def htable_row(text, block_count):
padding = 20
height = 110
lcol.box(show="next+", p_top=padding, height=height).text(text)
return table(rcol.box(show="last+", p_top=padding, height=height),
hash_size, hash_dimension, block_count)
htable_row("N = 1 (direct mapped)", hash_size)
htable_row("N = {} (fully associative)".format(hash_size), 1)
htable_row("N = 2", hash_size // 2)
slide = new_slide(slides)
content = slide_header(slide, "How are addresses hashed?")
content.box().text("64-bit address:")
row = content.box(horizontal=True, width=800)
widths = ["60%", "25%", "15%"]
address_colors = ["#B22222", "#007944", "#0018AE"]
labels = ["Tag", "Index", "Offset"]
for i in range(3):
wrapper = row.box(width=widths[i]).rect(color=address_colors[i],
stroke_width=4)
wrapper.box(padding=4).text(labels[i])
labelrow = content.box(horizontal=True, x=220)
labelrow.box().text("63")
labelrow.box(p_left=770).text("0")
list_wrapper = content.box(p_top=20)
list_item(list_wrapper, show="next+").text("Offset", "bold")
list_item(list_wrapper, level=1,
show="last+").text("Selects byte within a cache line")
list_item(list_wrapper, level=1,
show="last+").text("log2(cache line size) bits")
list_item(list_wrapper, show="next+").text("Index", "bold")
list_item(list_wrapper, level=1,
show="last+").text("Selects bucket within the cache")
list_item(list_wrapper, level=1,
show="last+").text("log2(bucket count) bits")
list_item(list_wrapper, show="next+").text("Tag", "bold")
list_item(list_wrapper, level=1, show="last+").text("Used for matching")
slide = new_slide(slides)
content = slide_header(slide, "N-way set associative cache")
queue = content.box(x="55%", y=40, horizontal=True)
queue.box(p_right=40).text("Cache lines:")
colors = ("#F0134D", "#FF6F5E", "#F0134D")
cacheline_labels = ("A", "B", "C")
for i in range(3):
queue.box(width=hash_dimension,
height=hash_dimension).rect(color="black",
bg_color=colors[i],
stroke_width=5).text(
cacheline_labels[i],
style=s(bold=True,
color="white"))
index = content.box(x="55%", y=90, horizontal=True)
index.box(p_right=75).text("Index bits:")
index_bits = (0, 1, 0)
for i in range(3):
index.box(width=hash_dimension,
height=hash_dimension).text(str(index_bits[i]))
def insert(slot, show, item):
wrapper = slot.overlay(show=show)
wrapper.rect(bg_color=colors[item])
wrapper.text(cacheline_labels[item], style=s(bold=True, color="white"))
row = content.box(horizontal=True, p_top=20)
lcol = row.box(y=0)
rcol = row.box(y=0, p_left=20)
def htable_row(text, block_count):
padding = 20
height = 140
lcol.box(show="next+", p_top=padding, height=height).text(text)
return table(rcol.box(show="last+", p_top=padding, height=height),
hash_size, hash_dimension, block_count)
(_, hitems) = htable_row("N = 1", hash_size)
insert(hitems[0], "next+", 0)
insert(hitems[1], "next+", 1)
insert(hitems[0], "next+", 2)
(_, hitems) = htable_row("N = {}".format(hash_size), 1)
insert(hitems[0], "next+", 0)
insert(hitems[1], "next+", 1)
insert(hitems[2], "next+", 2)
(_, hitems) = htable_row("N = 2", hash_size // 2)
insert(hitems[0], "next+", 0)
insert(hitems[2], "next+", 1)
insert(hitems[1], "next+", 2)
slide = new_slide(slides)
slide.update_style("default", s(size=46))
slide.update_style("bold", s(size=46))
content = slide_header(slide, "Intel L1 cache")
bash(content.box(),
"""$ getconf -a | grep LEVEL1_DCACHE
LEVEL1_DCACHE_SIZE 32768
LEVEL1_DCACHE_ASSOC 8
LEVEL1_DCACHE_LINESIZE 64""",
text_style=s(align="left"))
list_wrapper = content.box(p_top=20)
list_item(
list_wrapper,
show="next+").text("~bold{Cache line size} - 64 B (6 offset bits)")
list_item(list_wrapper, show="next+").text("~bold{Associativity} (N) - 8")
list_item(list_wrapper, show="next+").text("~bold{Size} - 32768 B")
list_item(list_wrapper, show="next+").text("32768 / 64 => 512 cache lines")
list_item(list_wrapper,
show="next+").text("512 / 8 => 64 buckets (6 index bits)")
slides.set_style("tag", s(color=address_colors[0]))
tag = slides.get_style("tag")
slides.set_style("index", tag.compose(s(color=address_colors[1])))
slides.set_style("offset", tag.compose(s(color=address_colors[2])))
styles = ["tag", "index", "offset"]
colors = ["#F0134D", "#FF6F5E", "#1F6650", "#40BFC1"]
def address(cols, content, next=True, use_style=True, row=0):
for i, col in enumerate(cols):
show = "1+"
if next:
show = "next+" if i == 0 else "last+"
style = "default"
if use_style:
if i == 0:
style = s(color=colors[row])
else:
style = styles[i - 1]
col.box(show=show).text(content[i], style=style)
slide = new_slide(slides)
content = slide_header(slide, "Offset = 4B")
width = 700
columns = 4
row = content.box(horizontal=True)
cols = [row.box(width=width // columns) for _ in range(columns)]
address(cols, ("Number", "Tag", "Index", "Offset"),
next=False,
use_style=False)
address(cols, ("A", "..100000", "000000", "000000"), next=False)
address(cols, ("B", "..100000", "000000", "000100"), row=1)
address(cols, ("C", "..100000", "000000", "001000"), row=2)
address(cols, ("D", "..100000", "000000", "001100"), row=3)
hash_dimension = 80
(htable, hitems) = table(content.box(p_top=20), hash_size, hash_dimension,
hash_size // 2)
for i in range(4):
hitems[0].box(show="{}+".format(i + 1),
width=hash_dimension // 4,
height=hash_dimension).rect(bg_color=colors[i])
list_wrapper = content.box(p_top=40)
list_item(
list_wrapper,
show="next+").text("Same bucket, same cache line for each number")
list_item(list_wrapper,
show="next+").text("Most efficient, no space is wasted")
slide = new_slide(slides)
content = slide_header(slide, "Offset = 64B")
row = content.box(horizontal=True)
cols = [row.box(width=width // columns) for _ in range(columns)]
address(cols, ("Number", "Tag", "Index", "Offset"),
next=False,
use_style=False)
address(cols, ("A", "..100000", "000000", "000000"), next=False)
address(cols, ("B", "..100000", "000001", "000000"), row=1)
address(cols, ("C", "..100000", "000010", "000000"), row=2)
address(cols, ("D", "..100000", "000011", "000000"), row=3)
(htable, hitems) = table(content.box(p_top=20), hash_size, hash_dimension,
hash_size // 2)
for i in range(4):
hitems[i * 2].box(show="{}+".format(i + 1),
width=hash_dimension // 4,
height=hash_dimension,
x=0).rect(bg_color=colors[i])
list_wrapper = content.box(p_top=40)
list_item(list_wrapper,
show="next+").text("Different bucket for each number")
list_item(list_wrapper, show="next+").text("Wastes 60B in each cache line")
list_item(list_wrapper,
show="next+").text("Equally distributed among buckets")
slide = new_slide(slides)
content = slide_header(slide, "Offset = 4096B")
row = content.box(horizontal=True)
cols = [row.box(width=width // columns) for _ in range(columns)]
address(cols, ("Number", "Tag", "Index", "Offset"),
next=False,
use_style=False)
address(cols, ("A", "..100000", "000000", "000000"), next=False)
address(cols, ("B", "..100001", "000000", "000000"), row=1)
address(cols, ("C", "..100010", "000000", "000000"), row=2)
address(cols, ("D", "..100011", "000000", "000000"), row=3)
(htable, hitems) = table(content.box(p_top=20), hash_size, hash_dimension,
hash_size // 2)
for i in range(4):
hitems[i % 2].box(show="{}+".format(i + 1),
width=hash_dimension // 4,
height=hash_dimension,
x=0).rect(bg_color=colors[i])
list_wrapper = content.box(p_top=40)
list_item(list_wrapper, show="next+").text(
"Same bucket, but different cache lines for each number!")
list_item(list_wrapper,
show="next+").text("Bucket full => evictions necessary")
slide = new_slide(slides)
content = slide_header(slide, "How to measure?")
content.box().text("~tt{l1d.replacement}", style=s(size=48))
content.box(
p_top=20).text("How many times was a cache line loaded into L1?")
if backup:
bash(content.box(p_top=40, show="next+"),
"""$ perf stat -e l1d.replacement ./example1
4B offset -> 149 558
4096B offset -> 426 218 383""",
text_style=s(align="left"))
def project(slides: Slides):
slide = slides.new_slide()
content = slide_header(slide, "Project management (Cargo)")
content.box(height=400).image("imgs/cargo.png")
slide = slides.new_slide()
slide.update_style("code", s(size=30))
content = slide_header(slide, "Using libraries")
line = content.box(width="fill", horizontal=True)
cargo = line.box(width="50%", p_right=50)
cargo.box().text("Cargo.toml")
cargo_code = code(
cargo.box(), """
[package]
name = "hello_world"
version = "0.1.0"
[dependencies]
ibverbs = "0.4"
json = "1.0"
protobuf = "2.0"
""", "toml")
main = line.box(width="50%", show="2+", y=0)
main.box().text("main.rs")
main_code = code(
main.box(), """
use json::parse;
fn main() {
parse("data.json");
}""")
arrow = Arrow(20)
p1 = cargo_code.line_box(5).p("100%", "50%")
p2 = main_code.line_box(0).p(0, "50%")
slide.box(show="2+").line(
[p1.add(-40, 0), p1, p2.add(-10, 0)],
stroke_width=5,
color="orange",
end_arrow=arrow)
content.box(height=10)
content.box(show="3+").text("More than 26k libraries available")
slide = slides.new_slide()
content = slide_header(slide, "Unified documentation")
content.box(width=900).image("imgs/rust-docs.png")
slide = slides.new_slide()
content = slide_header(slide, "Integrated tooling")
def cargo_line(parent, text, code, show="1+", **text_args):
wrapper = parent.box(width="fill", horizontal=True, show=show)
textbox = wrapper.box(width="50%")
textbox = textbox.text(text, **text_args)
codebox = wrapper.box(width="40%")
bash(codebox, code, x=0, width="fill")
return textbox
wrapper = content.box(width="fill")
cargo_line(wrapper, "Build", "$ cargo build", "1+")
cargo_line(wrapper, "Run", "$ cargo run", "2+")
slide = slides.new_slide()
slide.update_style("code", s(size=40))
content = slide_header(slide, "Integrated tooling (tests)")
code(content.box(), """
#[test]
fn test_add() {
assert_eq!(add(1, 2), 3);
}
""")
content.box(height=20)
bash(content.box(show="2+"), "$ cargo test")
slide = slides.new_slide()
slide.update_style("code", s(size=40))
content = slide_header(slide, "Integrated tooling (benchmarks)")
code(
content.box(), """
#[bench]
fn bench_add_two(b: &mut Bencher) {
b.iter(|| add_two(2));
}
""")
content.box(height=20)
bash(content.box(show="2+"), "$ cargo bench")
slide = slides.new_slide()
content = slide_header(slide, "Integrated tooling")
wrapper = content.box(width="fill")
cargo_line(wrapper, "Format", "$ cargo fmt")
cargo_line(wrapper, "Lint", "$ cargo clippy", "next+")
box = cargo_line(wrapper, "Publish to SC", "$ cargo publish", "next+")
box = box.line_box(0)
box.line([box.p("53%", "55%"), box.p("73%", "55%")], stroke_width=3)
slide = slides.new_slide()
slide.update_style("code", s(size=24))
content = slide_header(slide, "Build scripts")
content.box().text("build.rs")
code_width = 940
code_step(content.box(width=code_width, height=400),
"""
fn main() {
// generate Protobuf objects
protoc_rust::run("protobuf/message.proto", "src/protos");
// generate C headers
cbindgen::Builder::new()
.generate()
.write_to_file("bindings.h");
}
""",
"1", ((0, 1, 2, 3, None, None, None, None, 8),
(0, 1, 2, 3, 4, 5, 6, 7, 8)),
width=code_width)
slide = slides.new_slide()
content = slide_header(slide, "(interlude)")
content.box(height=600).image("imgs/meme-cargo.jpg")